org.python.core.WeakInternalTables Maven / Gradle / Ivy

// Copyright 2000 Samuele Pedroni

package org.python.core;

import java.lang.ref.Reference;
import java.lang.ref.ReferenceQueue;
import java.lang.ref.WeakReference;

public class WeakInternalTables extends AutoInternalTables {

    private static class Ref extends WeakReference {
        Object key;

        short type;

        Ref(short type, Object key, Object obj, ReferenceQueue queue) {
            super(obj, queue);
            this.type = type;
            this.key = key;
        }
    }

    protected Reference newAutoRef(short type, Object key, Object obj) {
        return new Ref(type, key, obj, this.queue);
    }

    protected short getAutoRefType(Reference ref) {
        return ((Ref) ref).type;
    }

    protected Object getAutoRefKey(Reference ref) {
        return ((Ref) ref).key;
    }

}